By now you may already have heard about the vivo X7, since the Chinese smartphone has been in the news a lot lately, either through various rumors and leaks, or even some official teasers. It's going to finally become official at an event on June 30, possibly alongside the bigger vivo X7 Plus. Some of its specs have already been confirmed by the company, one teaser at a time. Thus expect the X7 to feature the Snapdragon 652 chipset and 4GB of RAM, along with 64GB of storage and a 16 MP front-facing camera. Like all recent phones that aren't low-end, it will also tout a fingerprint scanner...
Source: http://www.gsmarena.com/vivo_x7_has_faster_fingerprint_sensor_launches_apps_quicker_than_galaxy_s7_iphone_6s-news-18972.php